/*
 *  Video for Linux Two header file
 *
 *  Copyright (C) 1999-2012 the contributors
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  Alternatively you can redistribute this file under the terms of the
 *  BSD license as stated below:
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *  3. The names of its contributors may not be used to endorse or promote
 *     products derived from this software without specific prior written
 *     permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 *  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  Header file for v4l or V4L2 drivers and applications
 * with public API.
 * All kernel-specific stuff were moved to media/v4l2-dev.h, so
 * no #if __KERNEL tests are allowed here
 *
 *  See http://linuxtv.org for more info
 *
 *  Author: Bill Dirks <bill@thedirks.org>
 *    Justin Schoeman
 *              Hans Verkuil <hverkuil@xs4all.nl>
 *    et al.
 */
#ifndef _UAPI__LINUX_VIDEODEV2_H
#define _UAPI__LINUX_VIDEODEV2_H

#ifndef __KERNEL__
#include <sys/time.h>
#endif
#include <linux/compiler.h>
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/v4l2-common.h>
#include <linux/v4l2-controls.h>

/*
 * Common stuff for both V4L1 and V4L2
 * Moved from videodev.h
 */
#define VIDEO_MAX_FRAME               32
#define VIDEO_MAX_PLANES               8

/*
 *  M I S C E L L A N E O U S
 */

/*  Four-character-code (FOURCC) */
#define v4l2_fourcc(a, b, c, d)\
  ((__u32)(a) | ((__u32)(b) << 8) | ((__u32)(c) << 16) | ((__u32)(d) << 24))

/*
 *  E N U M S
 */
enum v4l2_field {
  V4L2_FIELD_ANY           = 0, /* driver can choose from none,
           top, bottom, interlaced
           depending on whatever it thinks
           is approximate ... */
  V4L2_FIELD_NONE          = 1, /* this device has no fields ... */
  V4L2_FIELD_TOP           = 2, /* top field only */
  V4L2_FIELD_BOTTOM        = 3, /* bottom field only */
  V4L2_FIELD_INTERLACED    = 4, /* both fields interlaced */
  V4L2_FIELD_SEQ_TB        = 5, /* both fields sequential into one
           buffer, top-bottom order */
  V4L2_FIELD_SEQ_BT        = 6, /* same as above + bottom-top order */
  V4L2_FIELD_ALTERNATE     = 7, /* both fields alternating into
           separate buffers */
  V4L2_FIELD_INTERLACED_TB = 8, /* both fields interlaced, top field
           first and the top field is
           transmitted first */
  V4L2_FIELD_INTERLACED_BT = 9, /* both fields interlaced, top field
           first and the bottom field is
           transmitted first */
};
#define V4L2_FIELD_HAS_TOP(field) \
  ((field) == V4L2_FIELD_TOP  ||\
   (field) == V4L2_FIELD_INTERLACED ||\
   (field) == V4L2_FIELD_INTERLACED_TB ||\
   (field) == V4L2_FIELD_INTERLACED_BT ||\
   (field) == V4L2_FIELD_SEQ_TB ||\
   (field) == V4L2_FIELD_SEQ_BT)
#define V4L2_FIELD_HAS_BOTTOM(field)  \
  ((field) == V4L2_FIELD_BOTTOM   ||\
   (field) == V4L2_FIELD_INTERLACED ||\
   (field) == V4L2_FIELD_INTERLACED_TB ||\
   (field) == V4L2_FIELD_INTERLACED_BT ||\
   (field) == V4L2_FIELD_SEQ_TB ||\
   (field) == V4L2_FIELD_SEQ_BT)
#define V4L2_FIELD_HAS_BOTH(field)  \
  ((field) == V4L2_FIELD_INTERLACED ||\
   (field) == V4L2_FIELD_INTERLACED_TB ||\
   (field) == V4L2_FIELD_INTERLACED_BT ||\
   (field) == V4L2_FIELD_SEQ_TB ||\
   (field) == V4L2_FIELD_SEQ_BT)

enum v4l2_buf_type {
  V4L2_BUF_TYPE_VIDEO_CAPTURE        = 1,
  V4L2_BUF_TYPE_VIDEO_OUTPUT         = 2,
  V4L2_BUF_TYPE_VIDEO_OVERLAY        = 3,
  V4L2_BUF_TYPE_VBI_CAPTURE          = 4,
  V4L2_BUF_TYPE_VBI_OUTPUT           = 5,
  V4L2_BUF_TYPE_SLICED_VBI_CAPTURE   = 6,
  V4L2_BUF_TYPE_SLICED_VBI_OUTPUT    = 7,
#if 1
  /* Experimental */
  V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY = 8,
#endif
  V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
  V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE  = 10,
  /* Deprecated, do not use */
  V4L2_BUF_TYPE_PRIVATE              = 0x80,
};

#define V4L2_TYPE_IS_MULTIPLANAR(type)      \
  ((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE \
   || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)

#define V4L2_TYPE_IS_OUTPUT(type)       \
  ((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT     \
   || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE   \
   || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY   \
   || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY  \
   || (type) == V4L2_BUF_TYPE_VBI_OUTPUT      \
   || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)

enum v4l2_tuner_type {
  V4L2_TUNER_RADIO       = 1,
  V4L2_TUNER_ANALOG_TV       = 2,
  V4L2_TUNER_DIGITAL_TV      = 3,
};

enum v4l2_memory {
  V4L2_MEMORY_MMAP             = 1,
  V4L2_MEMORY_USERPTR          = 2,
  V4L2_MEMORY_OVERLAY          = 3,
  V4L2_MEMORY_DMABUF           = 4,
};

/* see also http://vektor.theorem.ca/graphics/ycbcr/ */
enum v4l2_colorspace {
  /* ITU-R 601 -- broadcast NTSC/PAL */
  V4L2_COLORSPACE_SMPTE170M     = 1,

  /* 1125-Line (US) HDTV */
  V4L2_COLORSPACE_SMPTE240M     = 2,

  /* HD and modern captures. */
  V4L2_COLORSPACE_REC709        = 3,

  /* broken BT878 extents (601, luma range 16-253 instead of 16-235) */
  V4L2_COLORSPACE_BT878         = 4,

  /* These should be useful.  Assume 601 extents. */
  V4L2_COLORSPACE_470_SYSTEM_M  = 5,
  V4L2_COLORSPACE_470_SYSTEM_BG = 6,

  /* I know there will be cameras that send this.  So, this is
   * unspecified chromaticities and full 0-255 on each of the
   * Y'CbCr components
   */
  V4L2_COLORSPACE_JPEG          = 7,

  /* For RGB colourspaces, this is probably a good start. */
  V4L2_COLORSPACE_SRGB          = 8,
};

enum v4l2_priority {
  V4L2_PRIORITY_UNSET       = 0,  /* not initialized */
  V4L2_PRIORITY_BACKGROUND  = 1,
  V4L2_PRIORITY_INTERACTIVE = 2,
  V4L2_PRIORITY_RECORD      = 3,
  V4L2_PRIORITY_DEFAULT     = V4L2_PRIORITY_INTERACTIVE,
};

struct v4l2_rect {
  __s32   left;
  __s32   top;
  __s32   width;
  __s32   height;
};

struct v4l2_fract {
  __u32   numerator;
  __u32   denominator;
};

/**
  * struct v4l2_capability - Describes V4L2 device caps returned by VIDIOC_QUERYCAP
  *
  * @driver:     name of the driver module (e.g. "bttv")
  * @card:     name of the card (e.g. "Hauppauge WinTV")
  * @bus_info:     name of the bus (e.g. "PCI:" + pci_name(pci_dev) )
  * @version:    KERNEL_VERSION
  * @capabilities: capabilities of the physical device as a whole
  * @device_caps:  capabilities accessed via this particular device (node)
  * @reserved:     reserved fields for future extensions
  */
struct v4l2_capability {
  __u8  driver[16];
  __u8  card[32];
  __u8  bus_info[32];
  __u32   version;
  __u32 capabilities;
  __u32 device_caps;
  __u32 reserved[3];
};

/* Values for 'capabilities' field */
#define V4L2_CAP_VIDEO_CAPTURE    0x00000001  /* Is a video capture device */
#define V4L2_CAP_VIDEO_OUTPUT   0x00000002  /* Is a video output device */
#define V4L2_CAP_VIDEO_OVERLAY    0x00000004  /* Can do video overlay */
#define V4L2_CAP_VBI_CAPTURE    0x00000010  /* Is a raw VBI capture device */
#define V4L2_CAP_VBI_OUTPUT   0x00000020  /* Is a raw VBI output device */
#define V4L2_CAP_SLICED_VBI_CAPTURE 0x00000040  /* Is a sliced VBI capture device */
#define V4L2_CAP_SLICED_VBI_OUTPUT  0x00000080  /* Is a sliced VBI output device */
#define V4L2_CAP_RDS_CAPTURE    0x00000100  /* RDS data capture */
#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200  /* Can do video output overlay */
#define V4L2_CAP_HW_FREQ_SEEK   0x00000400  /* Can do hardware frequency seek  */
#define V4L2_CAP_RDS_OUTPUT   0x00000800  /* Is an RDS encoder */

/* Is a video capture device that supports multiplanar formats */
#define V4L2_CAP_VIDEO_CAPTURE_MPLANE 0x00001000
/* Is a video output device that supports multiplanar formats */
#define V4L2_CAP_VIDEO_OUTPUT_MPLANE  0x00002000
/* Is a video mem-to-mem device that supports multiplanar formats */
#define V4L2_CAP_VIDEO_M2M_MPLANE 0x00004000
/* Is a video mem-to-mem device */
#define V4L2_CAP_VIDEO_M2M    0x00008000

#define V4L2_CAP_TUNER      0x00010000  /* has a tuner */
#define V4L2_CAP_AUDIO      0x00020000  /* has audio support */
#define V4L2_CAP_RADIO      0x00040000  /* is a radio device */
#define V4L2_CAP_MODULATOR    0x00080000  /* has a modulator */

#define V4L2_CAP_READWRITE              0x01000000  /* read/write systemcalls */
#define V4L2_CAP_ASYNCIO                0x02000000  /* async I/O */
#define V4L2_CAP_STREAMING              0x04000000  /* streaming I/O ioctls */

#define V4L2_CAP_DEVICE_CAPS            0x80000000  /* sets device capabilities field */

/*
 *  V I D E O   I M A G E   F O R M A T
 */
struct v4l2_pix_format {
  __u32             width;
  __u32     height;
  __u32     pixelformat;
  __u32     field;    /* enum v4l2_field */
  __u32             bytesperline; /* for padding, zero if unused */
  __u32             sizeimage;
  __u32     colorspace; /* enum v4l2_colorspace */
  __u32     priv;   /* private data, depends on pixelformat */
};

/*      Pixel format         FOURCC                          depth  Description  */

/* RGB formats */
#define V4L2_PIX_FMT_RGB332  v4l2_fourcc('R', 'G', 'B', '1') /*  8  RGB-3-3-2     */
#define V4L2_PIX_FMT_RGB444  v4l2_fourcc('R', '4', '4', '4') /* 16  xxxxrrrr ggggbbbb */
#define V4L2_PIX_FMT_RGB555  v4l2_fourcc('R', 'G', 'B', 'O') /* 16  RGB-5-5-5     */
#define V4L2_PIX_FMT_RGB565  v4l2_fourcc('R', 'G', 'B', 'P') /* 16  RGB-5-6-5     */
#define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16  RGB-5-5-5 BE  */
#define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16  RGB-5-6-5 BE  */
#define V4L2_PIX_FMT_BGR666  v4l2_fourcc('B', 'G', 'R', 'H') /* 18  BGR-6-6-6   */
#define V4L2_PIX_FMT_BGR24   v4l2_fourcc('B', 'G', 'R', '3') /* 24  BGR-8-8-8     */
#define V4L2_PIX_FMT_RGB24   v4l2_fourcc('R', 'G', 'B', '3') /* 24  RGB-8-8-8     */
#define V4L2_PIX_FMT_BGR32   v4l2_fourcc('B', 'G', 'R', '4') /* 32  BGR-8-8-8-8   */
#define V4L2_PIX_FMT_RGB32   v4l2_fourcc('R', 'G', 'B', '4') /* 32  RGB-8-8-8-8   */

/* Grey formats */
#define V4L2_PIX_FMT_GREY    v4l2_fourcc('G', 'R', 'E', 'Y') /*  8  Greyscale     */
#define V4L2_PIX_FMT_Y4      v4l2_fourcc('Y', '0', '4', ' ') /*  4  Greyscale     */
#define V4L2_PIX_FMT_Y6      v4l2_fourcc('Y', '0', '6', ' ') /*  6  Greyscale     */
#define V4L2_PIX_FMT_Y10     v4l2_fourcc('Y', '1', '0', ' ') /* 10  Greyscale     */
#define V4L2_PIX_FMT_Y12     v4l2_fourcc('Y', '1', '2', ' ') /* 12  Greyscale     */
#define V4L2_PIX_FMT_Y16     v4l2_fourcc('Y', '1', '6', ' ') /* 16  Greyscale     */

/* Grey bit-packed formats */
#define V4L2_PIX_FMT_Y10BPACK    v4l2_fourcc('Y', '1', '0', 'B') /* 10  Greyscale bit-packed */

/* Palette formats */
#define V4L2_PIX_FMT_PAL8    v4l2_fourcc('P', 'A', 'L', '8') /*  8  8-bit palette */

/* Chrominance formats */
#define V4L2_PIX_FMT_UV8     v4l2_fourcc('U', 'V', '8', ' ') /*  8  UV 4:4 */

/* Luminance+Chrominance formats */
#define V4L2_PIX_FMT_YVU410  v4l2_fourcc('Y', 'V', 'U', '9') /*  9  YVU 4:1:0     */
#define V4L2_PIX_FMT_YVU420  v4l2_fourcc('Y', 'V', '1', '2') /* 12  YVU 4:2:0     */
#define V4L2_PIX_FMT_YUYV    v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_YYUV    v4l2_fourcc('Y', 'Y', 'U', 'V') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_YVYU    v4l2_fourcc('Y', 'V', 'Y', 'U') /* 16 YVU 4:2:2 */
#define V4L2_PIX_FMT_UYVY    v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_VYUY    v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16  YUV 4:2:2     */
#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16  YVU422 planar */
#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16  YVU411 planar */
#define V4L2_PIX_FMT_Y41P    v4l2_fourcc('Y', '4', '1', 'P') /* 12  YUV 4:1:1     */
#define V4L2_PIX_FMT_YUV444  v4l2_fourcc('Y', '4', '4', '4') /* 16  xxxxyyyy uuuuvvvv */
#define V4L2_PIX_FMT_YUV555  v4l2_fourcc('Y', 'U', 'V', 'O') /* 16  YUV-5-5-5     */
#define V4L2_PIX_FMT_YUV565  v4l2_fourcc('Y', 'U', 'V', 'P') /* 16  YUV-5-6-5     */
#define V4L2_PIX_FMT_YUV32   v4l2_fourcc('Y', 'U', 'V', '4') /* 32  YUV-8-8-8-8   */
#define V4L2_PIX_FMT_YUV410  v4l2_fourcc('Y', 'U', 'V', '9') /*  9  YUV 4:1:0     */
#define V4L2_PIX_FMT_YUV420  v4l2_fourcc('Y', 'U', '1', '2') /* 12  YUV 4:2:0     */
#define V4L2_PIX_FMT_HI240   v4l2_fourcc('H', 'I', '2', '4') /*  8  8-bit color   */
#define V4L2_PIX_FMT_HM12    v4l2_fourcc('H', 'M', '1', '2') /*  8  YUV 4:2:0 16x16 macroblocks */
#define V4L2_PIX_FMT_M420    v4l2_fourcc('M', '4', '2', '0') /* 12  YUV 4:2:0 2 lines y, 1 line uv interleaved */

/* two planes -- one Y, one Cr + Cb interleaved  */
#define V4L2_PIX_FMT_NV12    v4l2_fourcc('N', 'V', '1', '2') /* 12  Y/CbCr 4:2:0  */
#define V4L2_PIX_FMT_NV21    v4l2_fourcc('N', 'V', '2', '1') /* 12  Y/CrCb 4:2:0  */
#define V4L2_PIX_FMT_NV16    v4l2_fourcc('N', 'V', '1', '6') /* 16  Y/CbCr 4:2:2  */
#define V4L2_PIX_FMT_NV61    v4l2_fourcc('N', 'V', '6', '1') /* 16  Y/CrCb 4:2:2  */
#define V4L2_PIX_FMT_NV24    v4l2_fourcc('N', 'V', '2', '4') /* 24  Y/CbCr 4:4:4  */
#define V4L2_PIX_FMT_NV42    v4l2_fourcc('N', 'V', '4', '2') /* 24  Y/CrCb 4:4:4  */

/* two non contiguous planes - one Y, one Cr + Cb interleaved  */
#define V4L2_PIX_FMT_NV12M   v4l2_fourcc('N', 'M', '1', '2') /* 12  Y/CbCr 4:2:0  */
#define V4L2_PIX_FMT_NV21M   v4l2_fourcc('N', 'M', '2', '1') /* 21  Y/CrCb 4:2:0  */
#define V4L2_PIX_FMT_NV12MT  v4l2_fourcc('T', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 64x32 macroblocks */
#define V4L2_PIX_FMT_NV12MT_16X16 v4l2_fourcc('V', 'M', '1', '2') /* 12  Y/CbCr 4:2:0 16x16 macroblocks */

/* three non contiguous planes - Y, Cb, Cr */
#define V4L2_PIX_FMT_YUV420M v4l2_fourcc('Y', 'M', '1', '2') /* 12  YUV420 planar */
#define V4L2_PIX_FMT_YVU420M v4l2_fourcc('Y', 'M', '2', '1') /* 12  YVU420 planar */

/* Bayer formats - see http://www.siliconimaging.com/RGB%20Bayer.htm */
#define V4L2_PIX_FMT_SBGGR8  v4l2_fourcc('B', 'A', '8', '1') /*  8  BGBG.. GRGR.. */
#define V4L2_PIX_FMT_SGBRG8  v4l2_fourcc('G', 'B', 'R', 'G') /*  8  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG8  v4l2_fourcc('G', 'R', 'B', 'G') /*  8  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB8  v4l2_fourcc('R', 'G', 'G', 'B') /*  8  RGRG.. GBGB.. */
#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10  BGBG.. GRGR.. */
#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10  RGRG.. GBGB.. */
#define V4L2_PIX_FMT_SBGGR12 v4l2_fourcc('B', 'G', '1', '2') /* 12  BGBG.. GRGR.. */
#define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12  GBGB.. RGRG.. */
#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12  GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12  RGRG.. GBGB.. */
/* 10bit raw bayer a-law compressed to 8 bits */
#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8')
#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8')
#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8')
#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8')
/* 10bit raw bayer DPCM compressed to 8 bits */
#define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8')
#define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')
#define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0')
#define V4L2_PIX_FMT_SRGGB10DPCM8 v4l2_fourcc('b', 'R', 'A', '8')
/*
 * 10bit raw bayer, expanded to 16 bits
 * xxxxrrrrrrrrrrxxxxgggggggggg xxxxggggggggggxxxxbbbbbbbbbb...
 */
#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16  BGBG.. GRGR.. */

/* compressed formats */
#define V4L2_PIX_FMT_MJPEG    v4l2_fourcc('M', 'J', 'P', 'G') /* Motion-JPEG   */
#define V4L2_PIX_FMT_JPEG     v4l2_fourcc('J', 'P', 'E', 'G') /* JFIF JPEG     */
#define V4L2_PIX_FMT_DV       v4l2_fourcc('d', 'v', 's', 'd') /* 1394          */
#define V4L2_PIX_FMT_MPEG     v4l2_fourcc('M', 'P', 'E', 'G') /* MPEG-1/2/4 Multiplexed */
#define V4L2_PIX_FMT_H264     v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
#define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
#define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
#define V4L2_PIX_FMT_H263     v4l2_fourcc('H', '2', '6', '3') /* H263          */
#define V4L2_PIX_FMT_MPEG1    v4l2_fourcc('M', 'P', 'G', '1') /* MPEG-1 ES     */
#define V4L2_PIX_FMT_MPEG2    v4l2_fourcc('M', 'P', 'G', '2') /* MPEG-2 ES     */
#define V4L2_PIX_FMT_MPEG4    v4l2_fourcc('M', 'P', 'G', '4') /* MPEG-4 ES     */
#define V4L2_PIX_FMT_XVID     v4l2_fourcc('X', 'V', 'I', 'D') /* Xvid           */
#define V4L2_PIX_FMT_VC1_ANNEX_G v4l2_fourcc('V', 'C', '1', 'G') /* SMPTE 421M Annex G compliant stream */
#define V4L2_PIX_FMT_VC1_ANNEX_L v4l2_fourcc('V', 'C', '1', 'L') /* SMPTE 421M Annex L compliant stream */
#define V4L2_PIX_FMT_VP8      v4l2_fourcc('V', 'P', '8', '0') /* VP8 */

/*  Vendor-specific formats   */
#define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
#define V4L2_PIX_FMT_WNVA     v4l2_fourcc('W', 'N', 'V', 'A') /* Winnov hw compress */
#define V4L2_PIX_FMT_SN9C10X  v4l2_fourcc('S', '9', '1', '0') /* SN9C10x compression */
#define V4L2_PIX_FMT_SN9C20X_I420 v4l2_fourcc('S', '9', '2', '0') /* SN9C20x YUV 4:2:0 */
#define V4L2_PIX_FMT_PWC1     v4l2_fourcc('P', 'W', 'C', '1') /* pwc older webcam */
#define V4L2_PIX_FMT_PWC2     v4l2_fourcc('P', 'W', 'C', '2') /* pwc newer webcam */
#define V4L2_PIX_FMT_ET61X251 v4l2_fourcc('E', '6', '2', '5') /* ET61X251 compression */
#define V4L2_PIX_FMT_SPCA501  v4l2_fourcc('S', '5', '0', '1') /* YUYV per line */
#define V4L2_PIX_FMT_SPCA505  v4l2_fourcc('S', '5', '0', '5') /* YYUV per line */
#define V4L2_PIX_FMT_SPCA508  v4l2_fourcc('S', '5', '0', '8') /* YUVY per line */
#define V4L2_PIX_FMT_SPCA561  v4l2_fourcc('S', '5', '6', '1') /* compressed GBRG bayer */
#define V4L2_PIX_FMT_PAC207   v4l2_fourcc('P', '2', '0', '7') /* compressed BGGR bayer */
#define V4L2_PIX_FMT_MR97310A v4l2_fourcc('M', '3', '1', '0') /* compressed BGGR bayer */
#define V4L2_PIX_FMT_JL2005BCD v4l2_fourcc('J', 'L', '2', '0') /* compressed RGGB bayer */
#define V4L2_PIX_FMT_SN9C2028 v4l2_fourcc('S', 'O', 'N', 'X') /* compressed GBRG bayer */
#define V4L2_PIX_FMT_SQ905C   v4l2_fourcc('9', '0', '5', 'C') /* compressed RGGB bayer */
#define V4L2_PIX_FMT_PJPG     v4l2_fourcc('P', 'J', 'P', 'G') /* Pixart 73xx JPEG */
#define V4L2_PIX_FMT_OV511    v4l2_fourcc('O', '5', '1', '1') /* ov511 JPEG */
#define V4L2_PIX_FMT_OV518    v4l2_fourcc('O', '5', '1', '8') /* ov518 JPEG */
#define V4L2_PIX_FMT_STV0680  v4l2_fourcc('S', '6', '8', '0') /* stv0680 bayer */
#define V4L2_PIX_FMT_TM6000   v4l2_fourcc('T', 'M', '6', '0') /* tm5600/tm60x0 */
#define V4L2_PIX_FMT_CIT_YYVYUY v4l2_fourcc('C', 'I', 'T', 'V') /* one line of Y then 1 line of VYUY */
#define V4L2_PIX_FMT_KONICA420  v4l2_fourcc('K', 'O', 'N', 'I') /* YUV420 planar in blocks of 256 pixels */
#define V4L2_PIX_FMT_JPGL v4l2_fourcc('J', 'P', 'G', 'L') /* JPEG-Lite */
#define V4L2_PIX_FMT_SE401      v4l2_fourcc('S', '4', '0', '1') /* se401 janggu compressed rgb */
#define V4L2_PIX_FMT_S5C_UYVY_JPG v4l2_fourcc('S', '5', 'C', 'I') /* S5C73M3 interleaved UYVY/JPEG */

/*
 *  F O R M A T   E N U M E R A T I O N
 */
struct v4l2_fmtdesc {
  __u32       index;             /* Format number      */
  __u32       type;              /* enum v4l2_buf_type */
  __u32               flags;
  __u8        description[32];   /* Description string */
  __u32       pixelformat;       /* Format fourcc      */
  __u32       reserved[4];
};

#define V4L2_FMT_FLAG_COMPRESSED 0x0001
#define V4L2_FMT_FLAG_EMULATED   0x0002

#if 1
/* Experimental Frame Size and frame rate enumeration */
/*
 *  F R A M E   S I Z E   E N U M E R A T I O N
 */
enum v4l2_frmsizetypes {
  V4L2_FRMSIZE_TYPE_DISCRETE  = 1,
  V4L2_FRMSIZE_TYPE_CONTINUOUS  = 2,
  V4L2_FRMSIZE_TYPE_STEPWISE  = 3,
};

struct v4l2_frmsize_discrete {
  __u32     width;    /* Frame width [pixel] */
  __u32     height;   /* Frame height [pixel] */
};

struct v4l2_frmsize_stepwise {
  __u32     min_width;  /* Minimum frame width [pixel] */
  __u32     max_width;  /* Maximum frame width [pixel] */
  __u32     step_width; /* Frame width step size [pixel] */
  __u32     min_height; /* Minimum frame height [pixel] */
  __u32     max_height; /* Maximum frame height [pixel] */
  __u32     step_height;  /* Frame height step size [pixel] */
};

struct v4l2_frmsizeenum {
  __u32     index;    /* Frame size number */
  __u32     pixel_format; /* Pixel format */
  __u32     type;   /* Frame size type the device supports. */

  union {         /* Frame size */
    struct v4l2_frmsize_discrete  discrete;
    struct v4l2_frmsize_stepwise  stepwise;
  };

  __u32   reserved[2];      /* Reserved space for future use */
};

/*
 *  F R A M E   R A T E   E N U M E R A T I O N
 */
enum v4l2_frmivaltypes {
  V4L2_FRMIVAL_TYPE_DISCRETE  = 1,
  V4L2_FRMIVAL_TYPE_CONTINUOUS  = 2,
  V4L2_FRMIVAL_TYPE_STEPWISE  = 3,
};

struct v4l2_frmival_stepwise {
  struct v4l2_fract min;    /* Minimum frame interval [s] */
  struct v4l2_fract max;    /* Maximum frame interval [s] */
  struct v4l2_fract step;   /* Frame interval step size [s] */
};

struct v4l2_frmivalenum {
  __u32     index;    /* Frame format index */
  __u32     pixel_format; /* Pixel format */
  __u32     width;    /* Frame width */
  __u32     height;   /* Frame height */
  __u32     type;   /* Frame interval type the device supports. */

  union {         /* Frame interval */
    struct v4l2_fract   discrete;
    struct v4l2_frmival_stepwise  stepwise;
  };

  __u32 reserved[2];      /* Reserved space for future use */
};
#endif

/*
 *  T I M E C O D E
 */
struct v4l2_timecode {
  __u32 type;
  __u32 flags;
  __u8  frames;
  __u8  seconds;
  __u8  minutes;
  __u8  hours;
  __u8  userbits[4];
};

/*  Type  */
#define V4L2_TC_TYPE_24FPS    1
#define V4L2_TC_TYPE_25FPS    2
#define V4L2_TC_TYPE_30FPS    3
#define V4L2_TC_TYPE_50FPS    4
#define V4L2_TC_TYPE_60FPS    5

/*  Flags  */
#define V4L2_TC_FLAG_DROPFRAME    0x0001 /* "drop-frame" mode */
#define V4L2_TC_FLAG_COLORFRAME   0x0002
#define V4L2_TC_USERBITS_field    0x000C
#define V4L2_TC_USERBITS_USERDEFINED  0x0000
#define V4L2_TC_USERBITS_8BITCHARS  0x0008
/* The above is based on SMPTE timecodes */

struct v4l2_jpegcompression {
  int quality;

  int  APPn;              /* Number of APP segment to be written,
         * must be 0..15 */
  int  APP_len;           /* Length of data in JPEG APPn segment */
  char APP_data[60];      /* Data in the JPEG APPn segment. */

  int  COM_len;           /* Length of data in JPEG COM segment */
  char COM_data[60];      /* Data in JPEG COM segment */

  __u32 jpeg_markers;     /* Which markers should go into the JPEG
         * output. Unless you exactly know what
         * you do, leave them untouched.
         * Inluding less markers will make the
         * resulting code smaller, but there will
         * be fewer applications which can read it.
         * The presence of the APP and COM marker
         * is influenced by APP_len and COM_len
         * ONLY, not by this property! */

#define V4L2_JPEG_MARKER_DHT (1<<3)    /* Define Huffman Tables */
#define V4L2_JPEG_MARKER_DQT (1<<4)    /* Define Quantization Tables */
#define V4L2_JPEG_MARKER_DRI (1<<5)    /* Define Restart Interval */
#define V4L2_JPEG_MARKER_COM (1<<6)    /* Comment segment */
#define V4L2_JPEG_MARKER_APP (1<<7)    /* App segment, driver will
          * allways use APP0 */
};

/*
 *  M E M O R Y - M A P P I N G   B U F F E R S
 */
struct v4l2_requestbuffers {
  __u32     count;
  __u32     type;   /* enum v4l2_buf_type */
  __u32     memory;   /* enum v4l2_memory */
  __u32     reserved[2];
};

/**
 * struct v4l2_plane - plane info for multi-planar buffers
 * @bytesused:    number of bytes occupied by data in the plane (payload)
 * @length:   size of this plane (NOT the payload) in bytes
 * @mem_offset:   when memory in the associated struct v4l2_buffer is
 *      V4L2_MEMORY_MMAP, equals the offset from the start of
 *      the device memory for this plane (or is a "cookie" that
 *      should be passed to mmap() called on the video node)
 * @userptr:    when memory is V4L2_MEMORY_USERPTR, a userspace pointer
 *      pointing to this plane
 * @fd:     when memory is V4L2_MEMORY_DMABUF, a userspace file
 *      descriptor associated with this plane
 * @data_offset:  offset in the plane to the start of data; usually 0,
 *      unless there is a header in front of the data
 *
 * Multi-planar buffers consist of one or more planes, e.g. an YCbCr buffer
 * with two planes can have one plane for Y, and another for interleaved CbCr
 * components. Each plane can reside in a separate memory buffer, or even in
 * a completely separate memory node (e.g. in embedded devices).
 */
struct v4l2_plane {
  __u32     bytesused;
  __u32     length;
  union {
    __u32   mem_offset;
    unsigned long userptr;
    __s32   fd;
  } m;
  __u32     data_offset;
  __u32     reserved[11];
};

/**
 * struct v4l2_buffer - video buffer info
 * @index:  id number of the buffer
 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
 *    multiplanar buffers);
 * @bytesused:  number of bytes occupied by data in the buffer (payload);
 *    unused (set to 0) for multiplanar buffers
 * @flags:  buffer informational flags
 * @field:  enum v4l2_field; field order of the image in the buffer
 * @timestamp:  frame timestamp
 * @timecode: frame timecode
 * @sequence: sequence count of this frame
 * @memory: enum v4l2_memory; the method, in which the actual video data is
 *    passed
 * @offset: for non-multiplanar buffers with memory == V4L2_MEMORY_MMAP;
 *    offset from the start of the device memory for this plane,
 *    (or a "cookie" that should be passed to mmap() as offset)
 * @userptr:  for non-multiplanar buffers with memory == V4L2_MEMORY_USERPTR;
 *    a userspace pointer pointing to this buffer
 * @fd:   for non-multiplanar buffers with memory == V4L2_MEMORY_DMABUF;
 *    a userspace file descriptor associated with this buffer
 * @planes: for multiplanar buffers; userspace pointer to the array of plane
 *    info structs for this buffer
 * @length: size in bytes of the buffer (NOT its payload) for single-plane
 *    buffers (when type != *_MPLANE); number of elements in the
 *    planes array for multi-plane buffers
 * @input:  input number from which the video data has has been captured
 *
 * Contains data exchanged by application and driver using one of the Streaming
 * I/O methods.
 */
struct v4l2_buffer {
  __u32     index;
  __u32     type;
  __u32     bytesused;
  __u32     flags;
  __u32     field;
  struct timeval    timestamp;
  struct v4l2_timecode  timecode;
  __u32     sequence;

  /* memory location */
  __u32     memory;
  union {
    __u32           offset;
    unsigned long   userptr;
    struct v4l2_plane* planes;
    __s32   fd;
  } m;
  __u32     length;
  __u32     reserved2;
  __u32     reserved;
};

/*  Flags for 'flags' field */
#define V4L2_BUF_FLAG_MAPPED  0x0001  /* Buffer is mapped (flag) */
#define V4L2_BUF_FLAG_QUEUED  0x0002  /* Buffer is queued for processing */
#define V4L2_BUF_FLAG_DONE  0x0004  /* Buffer is ready */
#define V4L2_BUF_FLAG_KEYFRAME  0x0008  /* Image is a keyframe (I-frame) */
#define V4L2_BUF_FLAG_PFRAME  0x0010  /* Image is a P-frame */
#define V4L2_BUF_FLAG_BFRAME  0x0020  /* Image is a B-frame */
/* Buffer is ready, but the data contained within is corrupted. */
#define V4L2_BUF_FLAG_ERROR 0x0040
#define V4L2_BUF_FLAG_TIMECODE  0x0100  /* timecode field is valid */
#define V4L2_BUF_FLAG_PREPARED  0x0400  /* Buffer is prepared for queuing */
/* Cache handling flags */
#define V4L2_BUF_FLAG_NO_CACHE_INVALIDATE 0x0800
#define V4L2_BUF_FLAG_NO_CACHE_CLEAN    0x1000
/* Timestamp type */
#define V4L2_BUF_FLAG_TIMESTAMP_MASK    0xe000
#define V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN   0x0000
#define V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC 0x2000
#define V4L2_BUF_FLAG_TIMESTAMP_COPY    0x4000

/**
 * struct v4l2_exportbuffer - export of video buffer as DMABUF file descriptor
 *
 * @index:  id number of the buffer
 * @type: enum v4l2_buf_type; buffer type (type == *_MPLANE for
 *    multiplanar buffers);
 * @plane:  index of the plane to be exported, 0 for single plane queues
 * @flags:  flags for newly created file, currently only O_CLOEXEC is
 *    supported, refer to manual of open syscall for more details
 * @fd:   file descriptor associated with DMABUF (set by driver)
 *
 * Contains data used for exporting a video buffer as DMABUF file descriptor.
 * The buffer is identified by a 'cookie' returned by VIDIOC_QUERYBUF
 * (identical to the cookie used to mmap() the buffer to userspace). All
 * reserved fields must be set to zero. The field reserved0 is expected to
 * become a structure 'type' allowing an alternative layout of the structure
 * content. Therefore this field should not be used for any other extensions.
 */
struct v4l2_exportbuffer {
  __u32   type; /* enum v4l2_buf_type */
  __u32   index;
  __u32   plane;
  __u32   flags;
  __s32   fd;
  __u32   reserved[11];
};

/*
 *  O V E R L A Y   P R E V I E W
 */
struct v4l2_framebuffer {
  __u32     capability;
  __u32     flags;
  /* FIXME: in theory we should pass something like PCI device + memory
   * region + offset instead of some physical address */
  void*                    base;
  struct v4l2_pix_format  fmt;
};
/*  Flags for the 'capability' field. Read only */
#define V4L2_FBUF_CAP_EXTERNOVERLAY 0x0001
#define V4L2_FBUF_CAP_CHROMAKEY   0x0002
#define V4L2_FBUF_CAP_LIST_CLIPPING     0x0004
#define V4L2_FBUF_CAP_BITMAP_CLIPPING 0x0008
#define V4L2_FBUF_CAP_LOCAL_ALPHA 0x0010
#define V4L2_FBUF_CAP_GLOBAL_ALPHA  0x0020
#define V4L2_FBUF_CAP_LOCAL_INV_ALPHA 0x0040
#define V4L2_FBUF_CAP_SRC_CHROMAKEY 0x0080
/*  Flags for the 'flags' field. */
#define V4L2_FBUF_FLAG_PRIMARY    0x0001
#define V4L2_FBUF_FLAG_OVERLAY    0x0002
#define V4L2_FBUF_FLAG_CHROMAKEY  0x0004
#define V4L2_FBUF_FLAG_LOCAL_ALPHA  0x0008
#define V4L2_FBUF_FLAG_GLOBAL_ALPHA 0x0010
#define V4L2_FBUF_FLAG_LOCAL_INV_ALPHA  0x0020
#define V4L2_FBUF_FLAG_SRC_CHROMAKEY  0x0040

struct v4l2_clip {
  struct v4l2_rect        c;
  struct v4l2_clip  __user* next;
};

struct v4l2_window {
  struct v4l2_rect        w;
  __u32     field;   /* enum v4l2_field */
  __u32     chromakey;
  struct v4l2_clip  __user* clips;
  __u32     clipcount;
  void      __user* bitmap;
  __u8                    global_alpha;
};

/*
 *  C A P T U R E   P A R A M E T E R S
 */
struct v4l2_captureparm {
  __u32      capability;    /*  Supported modes */
  __u32      capturemode;   /*  Current mode */
  struct v4l2_fract  timeperframe;  /*  Time per frame in seconds */
  __u32      extendedmode;  /*  Driver-specific extensions */
  __u32              readbuffers;   /*  # of buffers for read */
  __u32      reserved[4];
};

/*  Flags for 'capability' and 'capturemode' fields */
#define V4L2_MODE_HIGHQUALITY 0x0001  /*  High quality imaging mode */
#define V4L2_CAP_TIMEPERFRAME 0x1000  /*  timeperframe field is supported */

struct v4l2_outputparm {
  __u32      capability;   /*  Supported modes */
  __u32      outputmode;   /*  Current mode */
  struct v4l2_fract  timeperframe; /*  Time per frame in seconds */
  __u32      extendedmode; /*  Driver-specific extensions */
  __u32              writebuffers; /*  # of buffers for write */
  __u32      reserved[4];
};

/*
 *  I N P U T   I M A G E   C R O P P I N G
 */
struct v4l2_cropcap {
  __u32     type; /* enum v4l2_buf_type */
  struct v4l2_rect        bounds;
  struct v4l2_rect        defrect;
  struct v4l2_fract       pixelaspect;
};

struct v4l2_crop {
  __u32     type; /* enum v4l2_buf_type */
  struct v4l2_rect        c;
};

/**
 * struct v4l2_selection - selection info
 * @type: buffer type (do not use *_MPLANE types)
 * @target: Selection target, used to choose one of possible rectangles;
 *    defined in v4l2-common.h; V4L2_SEL_TGT_* .
 * @flags:  constraints flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*.
 * @r:    coordinates of selection window
 * @reserved: for future use, rounds structure size to 64 bytes, set to zero
 *
 * Hardware may use multiple helper windows to process a video stream.
 * The structure is used to exchange this selection areas between
 * an application and a driver.
 */
struct v4l2_selection {
  __u32     type;
  __u32     target;
  __u32                   flags;
  struct v4l2_rect        r;
  __u32                   reserved[9];
};


/*
 *      A N A L O G   V I D E O   S T A N D A R D
 */

typedef __u64 v4l2_std_id;

/* one bit for each */
#define V4L2_STD_PAL_B          ((v4l2_std_id)0x00000001)
#define V4L2_STD_PAL_B1         ((v4l2_std_id)0x00000002)
#define V4L2_STD_PAL_G          ((v4l2_std_id)0x00000004)
#define V4L2_STD_PAL_H          ((v4l2_std_id)0x00000008)
#define V4L2_STD_PAL_I          ((v4l2_std_id)0x00000010)
#define V4L2_STD_PAL_D          ((v4l2_std_id)0x00000020)
#define V4L2_STD_PAL_D1         ((v4l2_std_id)0x00000040)
#define V4L2_STD_PAL_K          ((v4l2_std_id)0x00000080)

#define V4L2_STD_PAL_M          ((v4l2_std_id)0x00000100)
#define V4L2_STD_PAL_N          ((v4l2_std_id)0x00000200)
#define V4L2_STD_PAL_Nc         ((v4l2_std_id)0x00000400)
#define V4L2_STD_PAL_60         ((v4l2_std_id)0x00000800)

#define V4L2_STD_NTSC_M         ((v4l2_std_id)0x00001000) /* BTSC */
#define V4L2_STD_NTSC_M_JP      ((v4l2_std_id)0x00002000) /* EIA-J */
#define V4L2_STD_NTSC_443       ((v4l2_std_id)0x00004000)
#define V4L2_STD_NTSC_M_KR      ((v4l2_std_id)0x00008000) /* FM A2 */

#define V4L2_STD_SECAM_B        ((v4l2_std_id)0x00010000)
#define V4L2_STD_SECAM_D        ((v4l2_std_id)0x00020000)
#define V4L2_STD_SECAM_G        ((v4l2_std_id)0x00040000)
#define V4L2_STD_SECAM_H        ((v4l2_std_id)0x00080000)
#define V4L2_STD_SECAM_K        ((v4l2_std_id)0x00100000)
#define V4L2_STD_SECAM_K1       ((v4l2_std_id)0x00200000)
#define V4L2_STD_SECAM_L        ((v4l2_std_id)0x00400000)
#define V4L2_STD_SECAM_LC       ((v4l2_std_id)0x00800000)

/* ATSC/HDTV */
#define V4L2_STD_ATSC_8_VSB     ((v4l2_std_id)0x01000000)
#define V4L2_STD_ATSC_16_VSB    ((v4l2_std_id)0x02000000)

/* FIXME:
   Although std_id is 64 bits, there is an issue on PPC32 architecture that
   makes switch(__u64) to break. So, there's a hack on v4l2-common.c rounding
   this value to 32 bits.
   As, currently, the max value is for V4L2_STD_ATSC_16_VSB (30 bits wide),
   it should work fine. However, if needed to add more than two standards,
   v4l2-common.c should be fixed.
 */

/*
 * Some macros to merge video standards in order to make live easier for the
 * drivers and V4L2 applications
 */

/*
 * "Common" NTSC/M - It should be noticed that V4L2_STD_NTSC_443 is
 * Missing here.
 */
#define V4L2_STD_NTSC           (V4L2_STD_NTSC_M  |\
                                 V4L2_STD_NTSC_M_JP     |\
                                 V4L2_STD_NTSC_M_KR)
/* Secam macros */
#define V4L2_STD_SECAM_DK       (V4L2_STD_SECAM_D |\
                                 V4L2_STD_SECAM_K |\
                                 V4L2_STD_SECAM_K1)
/* All Secam Standards */
#define V4L2_STD_SECAM    (V4L2_STD_SECAM_B |\
                           V4L2_STD_SECAM_G |\
                           V4L2_STD_SECAM_H |\
                           V4L2_STD_SECAM_DK  |\
                           V4L2_STD_SECAM_L       |\
                           V4L2_STD_SECAM_LC)
/* PAL macros */
#define V4L2_STD_PAL_BG   (V4L2_STD_PAL_B   |\
                           V4L2_STD_PAL_B1  |\
                           V4L2_STD_PAL_G)
#define V4L2_STD_PAL_DK   (V4L2_STD_PAL_D   |\
                           V4L2_STD_PAL_D1  |\
                           V4L2_STD_PAL_K)
/*
 * "Common" PAL - This macro is there to be compatible with the old
 * V4L1 concept of "PAL": /BGDKHI.
 * Several PAL standards are mising here: /M, /N and /Nc
 */
#define V4L2_STD_PAL    (V4L2_STD_PAL_BG  |\
                         V4L2_STD_PAL_DK  |\
                         V4L2_STD_PAL_H   |\
                         V4L2_STD_PAL_I)
/* Chroma "agnostic" standards */
#define V4L2_STD_B    (V4L2_STD_PAL_B   |\
                       V4L2_STD_PAL_B1  |\
                       V4L2_STD_SECAM_B)
#define V4L2_STD_G    (V4L2_STD_PAL_G   |\
                       V4L2_STD_SECAM_G)
#define V4L2_STD_H    (V4L2_STD_PAL_H   |\
                       V4L2_STD_SECAM_H)
#define V4L2_STD_L    (V4L2_STD_SECAM_L |\
                       V4L2_STD_SECAM_LC)
#define V4L2_STD_GH   (V4L2_STD_G   |\
                       V4L2_STD_H)
#define V4L2_STD_DK   (V4L2_STD_PAL_DK  |\
                       V4L2_STD_SECAM_DK)
#define V4L2_STD_BG   (V4L2_STD_B   |\
                       V4L2_STD_G)
#define V4L2_STD_MN   (V4L2_STD_PAL_M   |\
                       V4L2_STD_PAL_N   |\
                       V4L2_STD_PAL_Nc  |\
                       V4L2_STD_NTSC)

/* Standards where MTS/BTSC stereo could be found */
#define V4L2_STD_MTS    (V4L2_STD_NTSC_M  |\
                         V4L2_STD_PAL_M   |\
                         V4L2_STD_PAL_N   |\
                         V4L2_STD_PAL_Nc)

/* Standards for Countries with 60Hz Line frequency */
#define V4L2_STD_525_60   (V4L2_STD_PAL_M   |\
                           V4L2_STD_PAL_60  |\
                           V4L2_STD_NTSC    |\
                           V4L2_STD_NTSC_443)
/* Standards for Countries with 50Hz Line frequency */
#define V4L2_STD_625_50   (V4L2_STD_PAL   |\
                           V4L2_STD_PAL_N   |\
                           V4L2_STD_PAL_Nc  |\
                           V4L2_STD_SECAM)

#define V4L2_STD_ATSC           (V4L2_STD_ATSC_8_VSB    |\
                                 V4L2_STD_ATSC_16_VSB)
/* Macros with none and all analog standards */
#define V4L2_STD_UNKNOWN        0
#define V4L2_STD_ALL            (V4L2_STD_525_60  |\
                                 V4L2_STD_625_50)

struct v4l2_standard {
  __u32        index;
  v4l2_std_id          id;
  __u8         name[24];
  struct v4l2_fract    frameperiod; /* Frames, not fields */
  __u32        framelines;
  __u32        reserved[4];
};

/*
 *  D V   B T T I M I N G S
 */

/** struct v4l2_bt_timings - BT.656/BT.1120 timing data
 * @width:  total width of the active video in pixels
 * @height: total height of the active video in lines
 * @interlaced: Interlaced or progressive
 * @polarities: Positive or negative polarities
 * @pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
 * @hfrontporch:Horizontal front porch in pixels
 * @hsync:  Horizontal Sync length in pixels
 * @hbackporch: Horizontal back porch in pixels
 * @vfrontporch:Vertical front porch in lines
 * @vsync:  Vertical Sync length in lines
 * @vbackporch: Vertical back porch in lines
 * @il_vfrontporch:Vertical front porch for the even field
 *    (aka field 2) of interlaced field formats
 * @il_vsync: Vertical Sync length for the even field
 *    (aka field 2) of interlaced field formats
 * @il_vbackporch:Vertical back porch for the even field
 *    (aka field 2) of interlaced field formats
 * @standards:  Standards the timing belongs to
 * @flags:  Flags
 * @reserved: Reserved fields, must be zeroed.
 *
 * A note regarding vertical interlaced timings: height refers to the total
 * height of the active video frame (= two fields). The blanking timings refer
 * to the blanking of each field. So the height of the total frame is
 * calculated as follows:
 *
 * tot_height = height + vfrontporch + vsync + vbackporch +
 *                       il_vfrontporch + il_vsync + il_vbackporch
 *
 * The active height of each field is height / 2.
 */
struct v4l2_bt_timings {
  __u32 width;
  __u32 height;
  __u32 interlaced;
  __u32 polarities;
  __u64 pixelclock;
  __u32 hfrontporch;
  __u32 hsync;
  __u32 hbackporch;
  __u32 vfrontporch;
  __u32 vsync;
  __u32 vbackporch;
  __u32 il_vfrontporch;
  __u32 il_vsync;
  __u32 il_vbackporch;
  __u32 standards;
  __u32 flags;
  __u32 reserved[14];
} __attribute__((packed));

/* Interlaced or progressive format */
#define V4L2_DV_PROGRESSIVE 0
#define V4L2_DV_INTERLACED  1

/* Polarities. If bit is not set, it is assumed to be negative polarity */
#define V4L2_DV_VSYNC_POS_POL 0x00000001
#define V4L2_DV_HSYNC_POS_POL 0x00000002

/* Timings standards */
#define V4L2_DV_BT_STD_CEA861 (1 << 0)  /* CEA-861 Digital TV Profile */
#define V4L2_DV_BT_STD_DMT  (1 << 1)  /* VESA Discrete Monitor Timings */
#define V4L2_DV_BT_STD_CVT  (1 << 2)  /* VESA Coordinated Video Timings */
#define V4L2_DV_BT_STD_GTF  (1 << 3)  /* VESA Generalized Timings Formula */

/* Flags */

/* CVT/GTF specific: timing uses reduced blanking (CVT) or the 'Secondary
   GTF' curve (GTF). In both cases the horizontal and/or vertical blanking
   intervals are reduced, allowing a higher resolution over the same
   bandwidth. This is a read-only flag. */
#define V4L2_DV_FL_REDUCED_BLANKING   (1 << 0)
/* CEA-861 specific: set for CEA-861 formats with a framerate of a multiple
   of six. These formats can be optionally played at 1 / 1.001 speed.
   This is a read-only flag. */
#define V4L2_DV_FL_CAN_REDUCE_FPS   (1 << 1)
/* CEA-861 specific: only valid for video transmitters, the flag is cleared
   by receivers.
   If the framerate of the format is a multiple of six, then the pixelclock
   used to set up the transmitter is divided by 1.001 to make it compatible
   with 60 Hz based standards such as NTSC and PAL-M that use a framerate of
   29.97 Hz. Otherwise this flag is cleared. If the transmitter can't generate
   such frequencies, then the flag will also be cleared. */
#define V4L2_DV_FL_REDUCED_FPS      (1 << 2)
/* Specific to interlaced formats: if set, then field 1 is really one half-line
   longer and field 2 is really one half-line shorter, so each field has
   exactly the same number of half-lines. Whether half-lines can be detected
   or used depends on the hardware. */
#define V4L2_DV_FL_HALF_LINE      (1 << 3)


/** struct v4l2_dv_timings - DV timings
 * @type: the type of the timings
 * @bt: BT656/1120 timings
 */
struct v4l2_dv_timings {
  __u32 type;
  union {
    struct v4l2_bt_timings  bt;
    __u32 reserved[32];
  };
} __attribute__((packed));

/* Values for the type field */
#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */


/** struct v4l2_enum_dv_timings - DV timings enumeration
 * @index:  enumeration index
 * @reserved: must be zeroed
 * @timings:  the timings for the given index
 */
struct v4l2_enum_dv_timings {
  __u32 index;
  __u32 reserved[3];
  struct v4l2_dv_timings timings;
};

/** struct v4l2_bt_timings_cap - BT.656/BT.1120 timing capabilities
 * @min_width:    width in pixels
 * @max_width:    width in pixels
 * @min_height:   height in lines
 * @max_height:   height in lines
 * @min_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
 * @max_pixelclock: Pixel clock in HZ. Ex. 74.25MHz->74250000
 * @standards:    Supported standards
 * @capabilities: Supported capabilities
 * @reserved:   Must be zeroed
 */
struct v4l2_bt_timings_cap {
  __u32 min_width;
  __u32 max_width;
  __u32 min_height;
  __u32 max_height;
  __u64 min_pixelclock;
  __u64 max_pixelclock;
  __u32 standards;
  __u32 capabilities;
  __u32 reserved[16];
} __attribute__((packed));

/* Supports interlaced formats */
#define V4L2_DV_BT_CAP_INTERLACED (1 << 0)
/* Supports progressive formats */
#define V4L2_DV_BT_CAP_PROGRESSIVE  (1 << 1)
/* Supports CVT/GTF reduced blanking */
#define V4L2_DV_BT_CAP_REDUCED_BLANKING (1 << 2)
/* Supports custom formats */
#define V4L2_DV_BT_CAP_CUSTOM   (1 << 3)

/** struct v4l2_dv_timings_cap - DV timings capabilities
 * @type: the type of the timings (same as in struct v4l2_dv_timings)
 * @bt:   the BT656/1120 timings capabilities
 */
struct v4l2_dv_timings_cap {
  __u32 type;
  __u32 reserved[3];
  union {
    struct v4l2_bt_timings_cap bt;
    __u32 raw_data[32];
  };
};


/*
 *  V I D E O   I N P U T S
 */
struct v4l2_input {
  __u32      index;   /*  Which input */
  __u8       name[32];    /*  Label */
  __u32      type;    /*  Type of input */
  __u32      audioset;    /*  Associated audios (bitfield) */
  __u32        tuner;             /*  enum v4l2_tuner_type */
  v4l2_std_id  std;
  __u32      status;
  __u32      capabilities;
  __u32      reserved[3];
};

/*  Values for the 'type' field */
#define V4L2_INPUT_TYPE_TUNER   1
#define V4L2_INPUT_TYPE_CAMERA    2

/* field 'status' - general */
#define V4L2_IN_ST_NO_POWER    0x00000001  /* Attached device is off */
#define V4L2_IN_ST_NO_SIGNAL   0x00000002
#define V4L2_IN_ST_NO_COLOR    0x00000004

/* field 'status' - sensor orientation */
/* If sensor is mounted upside down set both bits */
#define V4L2_IN_ST_HFLIP       0x00000010 /* Frames are flipped horizontally */
#define V4L2_IN_ST_VFLIP       0x00000020 /* Frames are flipped vertically */

/* field 'status' - analog */
#define V4L2_IN_ST_NO_H_LOCK   0x00000100  /* No horizontal sync lock */
#define V4L2_IN_ST_COLOR_KILL  0x00000200  /* Color killer is active */

/* field 'status' - digital */
#define V4L2_IN_ST_NO_SYNC     0x00010000  /* No synchronization lock */
#define V4L2_IN_ST_NO_EQU      0x00020000  /* No equalizer lock */
#define V4L2_IN_ST_NO_CARRIER  0x00040000  /* Carrier recovery failed */

/* field 'status' - VCR and set-top box */
#define V4L2_IN_ST_MACROVISION 0x01000000  /* Macrovision detected */
#define V4L2_IN_ST_NO_ACCESS   0x02000000  /* Conditional access denied */
#define V4L2_IN_ST_VTR         0x04000000  /* VTR time constant */

/* capabilities flags */
#define V4L2_IN_CAP_DV_TIMINGS    0x00000002 /* Supports S_DV_TIMINGS */
#define V4L2_IN_CAP_CUSTOM_TIMINGS  V4L2_IN_CAP_DV_TIMINGS /* For compatibility */
#define V4L2_IN_CAP_STD     0x00000004 /* Supports S_STD */

/*
 *  V I D E O   O U T P U T S
 */
struct v4l2_output {
  __u32      index;   /*  Which output */
  __u8       name[32];    /*  Label */
  __u32      type;    /*  Type of output */
  __u32      audioset;    /*  Associated audios (bitfield) */
  __u32      modulator;         /*  Associated modulator */
  v4l2_std_id  std;
  __u32      capabilities;
  __u32      reserved[3];
};
/*  Values for the 'type' field */
#define V4L2_OUTPUT_TYPE_MODULATOR    1
#define V4L2_OUTPUT_TYPE_ANALOG     2
#define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3

/* capabilities flags */
#define V4L2_OUT_CAP_DV_TIMINGS   0x00000002 /* Supports S_DV_TIMINGS */
#define V4L2_OUT_CAP_CUSTOM_TIMINGS V4L2_OUT_CAP_DV_TIMINGS /* For compatibility */
#define V4L2_OUT_CAP_STD    0x00000004 /* Supports S_STD */

/*
 *  C O N T R O L S
 */
struct v4l2_control {
  __u32        id;
  __s32        value;
};

struct v4l2_ext_control {
  __u32 id;
  __u32 size;
  __u32 reserved2[1];
  union {
    __s32 value;
    __s64 value64;
    char* string;
  };
  __s32 rect[4];/*rockchip add for focus zone*/
} __attribute__((packed));

struct v4l2_ext_controls {
  __u32 ctrl_class;
  __u32 count;
  __u32 error_idx;
  __u32 reserved[2];
  struct v4l2_ext_control* controls;
};

#define V4L2_CTRL_ID_MASK         (0x0fffffff)
#define V4L2_CTRL_ID2CLASS(id)    ((id) & 0x0fff0000UL)
#define V4L2_CTRL_DRIVER_PRIV(id) (((id) & 0xffff) >= 0x1000)

enum v4l2_ctrl_type {
  V4L2_CTRL_TYPE_INTEGER       = 1,
  V4L2_CTRL_TYPE_BOOLEAN       = 2,
  V4L2_CTRL_TYPE_MENU      = 3,
  V4L2_CTRL_TYPE_BUTTON      = 4,
  V4L2_CTRL_TYPE_INTEGER64     = 5,
  V4L2_CTRL_TYPE_CTRL_CLASS    = 6,
  V4L2_CTRL_TYPE_STRING        = 7,
  V4L2_CTRL_TYPE_BITMASK       = 8,
  V4L2_CTRL_TYPE_INTEGER_MENU = 9,
};

/*  Used in the VIDIOC_QUERYCTRL ioctl for querying controls */
struct v4l2_queryctrl {
  __u32        id;
  __u32        type;  /* enum v4l2_ctrl_type */
  __u8         name[32];  /* Whatever */
  __s32        minimum; /* Note signedness */
  __s32        maximum;
  __s32        step;
  __s32        default_value;
  __u32                flags;
  __u32        reserved[2];
};

/*  Used in the VIDIOC_QUERYMENU ioctl for querying menu items */
struct v4l2_querymenu {
  __u32   id;
  __u32   index;
  union {
    __u8  name[32]; /* Whatever */
    __s64 value;
  };
  __u32   reserved;
} __attribute__((packed));

/*  Control flags  */
#define V4L2_CTRL_FLAG_DISABLED   0x0001
#define V4L2_CTRL_FLAG_GRABBED    0x0002
#define V4L2_CTRL_FLAG_READ_ONLY  0x0004
#define V4L2_CTRL_FLAG_UPDATE     0x0008
#define V4L2_CTRL_FLAG_INACTIVE   0x0010
#define V4L2_CTRL_FLAG_SLIDER     0x0020
#define V4L2_CTRL_FLAG_WRITE_ONLY   0x0040
#define V4L2_CTRL_FLAG_VOLATILE   0x0080

/*  Query flag, to be ORed with the control ID */
#define V4L2_CTRL_FLAG_NEXT_CTRL  0x80000000

/*  User-class control IDs defined by V4L2 */
#define V4L2_CID_MAX_CTRLS    1024
/*  IDs reserved for driver specific controls */
#define V4L2_CID_PRIVATE_BASE   0x08000000


/*
 *  T U N I N G
 */
struct v4l2_tuner {
  __u32                   index;
  __u8      name[32];
  __u32     type; /* enum v4l2_tuner_type */
  __u32     capability;
  __u32     rangelow;
  __u32     rangehigh;
  __u32     rxsubchans;
  __u32     audmode;
  __s32     signal;
  __s32     afc;
  __u32     reserved[4];
};

struct v4l2_modulator {
  __u32     index;
  __u8      name[32];
  __u32     capability;
  __u32     rangelow;
  __u32     rangehigh;
  __u32     txsubchans;
  __u32     reserved[4];
};

/*  Flags for the 'capability' field */
#define V4L2_TUNER_CAP_LOW    0x0001
#define V4L2_TUNER_CAP_NORM   0x0002
#define V4L2_TUNER_CAP_HWSEEK_BOUNDED 0x0004
#define V4L2_TUNER_CAP_HWSEEK_WRAP  0x0008
#define V4L2_TUNER_CAP_STEREO   0x0010
#define V4L2_TUNER_CAP_LANG2    0x0020
#define V4L2_TUNER_CAP_SAP    0x0020
#define V4L2_TUNER_CAP_LANG1    0x0040
#define V4L2_TUNER_CAP_RDS    0x0080
#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
#define V4L2_TUNER_CAP_HWSEEK_PROG_LIM  0x0800

/*  Flags for the 'rxsubchans' field */
#define V4L2_TUNER_SUB_MONO   0x0001
#define V4L2_TUNER_SUB_STEREO   0x0002
#define V4L2_TUNER_SUB_LANG2    0x0004
#define V4L2_TUNER_SUB_SAP    0x0004
#define V4L2_TUNER_SUB_LANG1    0x0008
#define V4L2_TUNER_SUB_RDS    0x0010

/*  Values for the 'audmode' field */
#define V4L2_TUNER_MODE_MONO    0x0000
#define V4L2_TUNER_MODE_STEREO    0x0001
#define V4L2_TUNER_MODE_LANG2   0x0002
#define V4L2_TUNER_MODE_SAP   0x0002
#define V4L2_TUNER_MODE_LANG1   0x0003
#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004

struct v4l2_frequency {
  __u32 tuner;
  __u32 type; /* enum v4l2_tuner_type */
  __u32 frequency;
  __u32 reserved[8];
};

#define V4L2_BAND_MODULATION_VSB  (1 << 1)
#define V4L2_BAND_MODULATION_FM   (1 << 2)
#define V4L2_BAND_MODULATION_AM   (1 << 3)

struct v4l2_frequency_band {
  __u32 tuner;
  __u32 type; /* enum v4l2_tuner_type */
  __u32 index;
  __u32 capability;
  __u32 rangelow;
  __u32 rangehigh;
  __u32 modulation;
  __u32 reserved[9];
};

struct v4l2_hw_freq_seek {
  __u32 tuner;
  __u32 type; /* enum v4l2_tuner_type */
  __u32 seek_upward;
  __u32 wrap_around;
  __u32 spacing;
  __u32 rangelow;
  __u32 rangehigh;
  __u32 reserved[5];
};

/*
 *  R D S
 */

struct v4l2_rds_data {
  __u8  lsb;
  __u8  msb;
  __u8  block;
} __attribute__((packed));

#define V4L2_RDS_BLOCK_MSK   0x7
#define V4L2_RDS_BLOCK_A   0
#define V4L2_RDS_BLOCK_B   1
#define V4L2_RDS_BLOCK_C   2
#define V4L2_RDS_BLOCK_D   3
#define V4L2_RDS_BLOCK_C_ALT   4
#define V4L2_RDS_BLOCK_INVALID   7

#define V4L2_RDS_BLOCK_CORRECTED 0x40
#define V4L2_RDS_BLOCK_ERROR   0x80

/*
 *  A U D I O
 */
struct v4l2_audio {
  __u32 index;
  __u8  name[32];
  __u32 capability;
  __u32 mode;
  __u32 reserved[2];
};

/*  Flags for the 'capability' field */
#define V4L2_AUDCAP_STEREO    0x00001
#define V4L2_AUDCAP_AVL     0x00002

/*  Flags for the 'mode' field */
#define V4L2_AUDMODE_AVL    0x00001

struct v4l2_audioout {
  __u32 index;
  __u8  name[32];
  __u32 capability;
  __u32 mode;
  __u32 reserved[2];
};

/*
 *  M P E G   S E R V I C E S
 *
 *  NOTE: EXPERIMENTAL API
 */
#if 1
#define V4L2_ENC_IDX_FRAME_I    (0)
#define V4L2_ENC_IDX_FRAME_P    (1)
#define V4L2_ENC_IDX_FRAME_B    (2)
#define V4L2_ENC_IDX_FRAME_MASK (0xf)

struct v4l2_enc_idx_entry {
  __u64 offset;
  __u64 pts;
  __u32 length;
  __u32 flags;
  __u32 reserved[2];
};

#define V4L2_ENC_IDX_ENTRIES (64)
struct v4l2_enc_idx {
  __u32 entries;
  __u32 entries_cap;
  __u32 reserved[4];
  struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES];
};


#define V4L2_ENC_CMD_START      (0)
#define V4L2_ENC_CMD_STOP       (1)
#define V4L2_ENC_CMD_PAUSE      (2)
#define V4L2_ENC_CMD_RESUME     (3)

/* Flags for V4L2_ENC_CMD_STOP */
#define V4L2_ENC_CMD_STOP_AT_GOP_END    (1 << 0)

struct v4l2_encoder_cmd {
  __u32 cmd;
  __u32 flags;
  union {
    struct {
      __u32 data[8];
    } raw;
  };
};

/* Decoder commands */
#define V4L2_DEC_CMD_START       (0)
#define V4L2_DEC_CMD_STOP        (1)
#define V4L2_DEC_CMD_PAUSE       (2)
#define V4L2_DEC_CMD_RESUME      (3)

/* Flags for V4L2_DEC_CMD_START */
#define V4L2_DEC_CMD_START_MUTE_AUDIO (1 << 0)

/* Flags for V4L2_DEC_CMD_PAUSE */
#define V4L2_DEC_CMD_PAUSE_TO_BLACK (1 << 0)

/* Flags for V4L2_DEC_CMD_STOP */
#define V4L2_DEC_CMD_STOP_TO_BLACK  (1 << 0)
#define V4L2_DEC_CMD_STOP_IMMEDIATELY (1 << 1)

/* Play format requirements (returned by the driver): */

/* The decoder has no special format requirements */
#define V4L2_DEC_START_FMT_NONE   (0)
/* The decoder requires full GOPs */
#define V4L2_DEC_START_FMT_GOP    (1)

/* The structure must be zeroed before use by the application
   This ensures it can be extended safely in the future. */
struct v4l2_decoder_cmd {
  __u32 cmd;
  __u32 flags;
  union {
    struct {
      __u64 pts;
    } stop;

    struct {
      /* 0 or 1000 specifies normal speed,
         1 specifies forward single stepping,
         -1 specifies backward single stepping,
         >1: playback at speed/1000 of the normal speed,
         <-1: reverse playback at (-speed/1000) of the normal speed. */
      __s32 speed;
      __u32 format;
    } start;

    struct {
      __u32 data[16];
    } raw;
  };
};
#endif


/*
 *  D A T A   S E R V I C E S   ( V B I )
 *
 *  Data services API by Michael Schimek
 */

/* Raw VBI */
struct v4l2_vbi_format {
  __u32 sampling_rate;    /* in 1 Hz */
  __u32 offset;
  __u32 samples_per_line;
  __u32 sample_format;    /* V4L2_PIX_FMT_* */
  __s32 start[2];
  __u32 count[2];
  __u32 flags;      /* V4L2_VBI_* */
  __u32 reserved[2];    /* must be zero */
};

/*  VBI flags  */
#define V4L2_VBI_UNSYNC   (1 << 0)
#define V4L2_VBI_INTERLACED (1 << 1)

/* Sliced VBI
 *
 *    This implements is a proposal V4L2 API to allow SLICED VBI
 * required for some hardware encoders. It should change without
 * notice in the definitive implementation.
 */

struct v4l2_sliced_vbi_format {
  __u16   service_set;
  /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
     service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
         (equals frame lines 313-336 for 625 line video
          standards, 263-286 for 525 line standards) */
  __u16   service_lines[2][24];
  __u32   io_size;
  __u32   reserved[2];            /* must be zero */
};

/* Teletext World System Teletext
   (WST), defined on ITU-R BT.653-2 */
#define V4L2_SLICED_TELETEXT_B          (0x0001)
/* Video Program System, defined on ETS 300 231*/
#define V4L2_SLICED_VPS                 (0x0400)
/* Closed Caption, defined on EIA-608 */
#define V4L2_SLICED_CAPTION_525         (0x1000)
/* Wide Screen System, defined on ITU-R BT1119.1 */
#define V4L2_SLICED_WSS_625             (0x4000)

#define V4L2_SLICED_VBI_525             (V4L2_SLICED_CAPTION_525)
#define V4L2_SLICED_VBI_625             (V4L2_SLICED_TELETEXT_B | V4L2_SLICED_VPS | V4L2_SLICED_WSS_625)

struct v4l2_sliced_vbi_cap {
  __u16   service_set;
  /* service_lines[0][...] specifies lines 0-23 (1-23 used) of the first field
     service_lines[1][...] specifies lines 0-23 (1-23 used) of the second field
         (equals frame lines 313-336 for 625 line video
          standards, 263-286 for 525 line standards) */
  __u16   service_lines[2][24];
  __u32 type;   /* enum v4l2_buf_type */
  __u32   reserved[3];    /* must be 0 */
};

struct v4l2_sliced_vbi_data {
  __u32   id;
  __u32   field;          /* 0: first field, 1: second field */
  __u32   line;           /* 1-23 */
  __u32   reserved;       /* must be 0 */
  __u8    data[48];
};

/*
 * Sliced VBI data inserted into MPEG Streams
 */

/*
 * V4L2_MPEG_STREAM_VBI_FMT_IVTV:
 *
 * Structure of payload contained in an MPEG 2 Private Stream 1 PES Packet in an
 * MPEG-2 Program Pack that contains V4L2_MPEG_STREAM_VBI_FMT_IVTV Sliced VBI
 * data
 *
 * Note, the MPEG-2 Program Pack and Private Stream 1 PES packet header
 * definitions are not included here.  See the MPEG-2 specifications for details
 * on these headers.
 */

/* Line type IDs */
#define V4L2_MPEG_VBI_IVTV_TELETEXT_B     (1)
#define V4L2_MPEG_VBI_IVTV_CAPTION_525    (4)
#define V4L2_MPEG_VBI_IVTV_WSS_625        (5)
#define V4L2_MPEG_VBI_IVTV_VPS            (7)

struct v4l2_mpeg_vbi_itv0_line {
  __u8 id;  /* One of V4L2_MPEG_VBI_IVTV_* above */
  __u8 data[42];  /* Sliced VBI data for the line */
} __attribute__((packed));

struct v4l2_mpeg_vbi_itv0 {
  __le32 linemask[2]; /* Bitmasks of VBI service lines present */
  struct v4l2_mpeg_vbi_itv0_line line[35];
} __attribute__((packed));

struct v4l2_mpeg_vbi_ITV0 {
  struct v4l2_mpeg_vbi_itv0_line line[36];
} __attribute__((packed));

#define V4L2_MPEG_VBI_IVTV_MAGIC0 "itv0"
#define V4L2_MPEG_VBI_IVTV_MAGIC1 "ITV0"

struct v4l2_mpeg_vbi_fmt_ivtv {
  __u8 magic[4];
  union {
    struct v4l2_mpeg_vbi_itv0 itv0;
    struct v4l2_mpeg_vbi_ITV0 ITV0;
  };
} __attribute__((packed));

/*
 *  A G G R E G A T E   S T R U C T U R E S
 */

/**
 * struct v4l2_plane_pix_format - additional, per-plane format definition
 * @sizeimage:    maximum size in bytes required for data, for which
 *      this plane will be used
 * @bytesperline: distance in bytes between the leftmost pixels in two
 *      adjacent lines
 */
struct v4l2_plane_pix_format {
  __u32   sizeimage;
  __u16   bytesperline;
  __u16   reserved[7];
} __attribute__((packed));

/**
 * struct v4l2_pix_format_mplane - multiplanar format definition
 * @width:    image width in pixels
 * @height:   image height in pixels
 * @pixelformat:  little endian four character code (fourcc)
 * @field:    enum v4l2_field; field order (for interlaced video)
 * @colorspace:   enum v4l2_colorspace; supplemental to pixelformat
 * @plane_fmt:    per-plane information
 * @num_planes:   number of planes for this format
 */
struct v4l2_pix_format_mplane {
  __u32       width;
  __u32       height;
  __u32       pixelformat;
  __u32       field;
  __u32       colorspace;

  struct v4l2_plane_pix_format  plane_fmt[VIDEO_MAX_PLANES];
  __u8        num_planes;
  __u8        reserved[11];
} __attribute__((packed));

/**
 * struct v4l2_format - stream data format
 * @type: enum v4l2_buf_type; type of the data stream
 * @pix:  definition of an image format
 * @pix_mp: definition of a multiplanar image format
 * @win:  definition of an overlaid image
 * @vbi:  raw VBI capture or output parameters
 * @sliced: sliced VBI capture or output parameters
 * @raw_data: placeholder for future extensions and custom formats
 */
struct v4l2_format {
  __u32  type;
  union {
    struct v4l2_pix_format    pix;     /* V4L2_BUF_TYPE_VIDEO_CAPTURE */
    struct v4l2_pix_format_mplane pix_mp;  /* V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE */
    struct v4l2_window    win;     /* V4L2_BUF_TYPE_VIDEO_OVERLAY */
    struct v4l2_vbi_format    vbi;     /* V4L2_BUF_TYPE_VBI_CAPTURE */
    struct v4l2_sliced_vbi_format sliced;  /* V4L2_BUF_TYPE_SLICED_VBI_CAPTURE */
    __u8  raw_data[200];                   /* user-defined */
  } fmt;
};

/*  Stream type-dependent parameters
 */
struct v4l2_streamparm {
  __u32  type;      /* enum v4l2_buf_type */
  union {
    struct v4l2_captureparm capture;
    struct v4l2_outputparm  output;
    __u8  raw_data[200];  /* user-defined */
  } parm;
};

/*
 *  E V E N T S
 */

#define V4L2_EVENT_ALL        0
#define V4L2_EVENT_VSYNC      1
#define V4L2_EVENT_EOS        2
#define V4L2_EVENT_CTRL       3
#define V4L2_EVENT_FRAME_SYNC     4
#define V4L2_EVENT_PRIVATE_START    0x08000000

/* Payload for V4L2_EVENT_VSYNC */
struct v4l2_event_vsync {
  /* Can be V4L2_FIELD_ANY, _NONE, _TOP or _BOTTOM */
  __u8 field;
} __attribute__((packed));

/* Payload for V4L2_EVENT_CTRL */
#define V4L2_EVENT_CTRL_CH_VALUE    (1 << 0)
#define V4L2_EVENT_CTRL_CH_FLAGS    (1 << 1)
#define V4L2_EVENT_CTRL_CH_RANGE    (1 << 2)

struct v4l2_event_ctrl {
  __u32 changes;
  __u32 type;
  union {
    __s32 value;
    __s64 value64;
  };
  __u32 flags;
  __s32 minimum;
  __s32 maximum;
  __s32 step;
  __s32 default_value;
};

struct v4l2_event_frame_sync {
  __u32 frame_sequence;
};

struct v4l2_event {
  __u32       type;
  union {
    struct v4l2_event_vsync   vsync;
    struct v4l2_event_ctrl    ctrl;
    struct v4l2_event_frame_sync  frame_sync;
    __u8        data[64];
  } u;
  __u32       pending;
  __u32       sequence;
  struct timespec     timestamp;
  __u32       id;
  __u32       reserved[8];
};

#define V4L2_EVENT_SUB_FL_SEND_INITIAL    (1 << 0)
#define V4L2_EVENT_SUB_FL_ALLOW_FEEDBACK  (1 << 1)

struct v4l2_event_subscription {
  __u32       type;
  __u32       id;
  __u32       flags;
  __u32       reserved[5];
};

/*
 *  A D V A N C E D   D E B U G G I N G
 *
 *  NOTE: EXPERIMENTAL API, NEVER RELY ON THIS IN APPLICATIONS!
 *  FOR DEBUGGING, TESTING AND INTERNAL USE ONLY!
 */

/* VIDIOC_DBG_G_REGISTER and VIDIOC_DBG_S_REGISTER */

#define V4L2_CHIP_MATCH_BRIDGE      0  /* Match against chip ID on the bridge (0 for the bridge) */
#define V4L2_CHIP_MATCH_HOST V4L2_CHIP_MATCH_BRIDGE
#define V4L2_CHIP_MATCH_I2C_DRIVER  1  /* Match against I2C driver name */
#define V4L2_CHIP_MATCH_I2C_ADDR    2  /* Match against I2C 7-bit address */
#define V4L2_CHIP_MATCH_AC97        3  /* Match against anciliary AC97 chip */
#define V4L2_CHIP_MATCH_SUBDEV      4  /* Match against subdev index */

struct v4l2_dbg_match {
  __u32 type; /* Match type */
  union {     /* Match this chip, meaning determined by type */
    __u32 addr;
    char name[32];
  };
} __attribute__((packed));

struct v4l2_dbg_register {
  struct v4l2_dbg_match match;
  __u32 size; /* register size in bytes */
  __u64 reg;
  __u64 val;
} __attribute__((packed));

/* VIDIOC_DBG_G_CHIP_IDENT */
struct v4l2_dbg_chip_ident {
  struct v4l2_dbg_match match;
  __u32 ident;       /* chip identifier as specified in <media/v4l2-chip-ident.h> */
  __u32 revision;    /* chip revision, chip specific */
} __attribute__((packed));

#define V4L2_CHIP_FL_READABLE (1 << 0)
#define V4L2_CHIP_FL_WRITABLE (1 << 1)

/* VIDIOC_DBG_G_CHIP_INFO */
struct v4l2_dbg_chip_info {
  struct v4l2_dbg_match match;
  char name[32];
  __u32 flags;
  __u32 reserved[32];
} __attribute__((packed));

/**
 * struct v4l2_create_buffers - VIDIOC_CREATE_BUFS argument
 * @index:  on return, index of the first created buffer
 * @count:  entry: number of requested buffers,
 *    return: number of created buffers
 * @memory: enum v4l2_memory; buffer memory type
 * @format: frame format, for which buffers are requested
 * @reserved: future extensions
 */
struct v4l2_create_buffers {
  __u32     index;
  __u32     count;
  __u32     memory;
  struct v4l2_format  format;
  __u32     reserved[8];
};

/*
 *  I O C T L   C O D E S   F O R   V I D E O   D E V I C E S
 *
 */
#define VIDIOC_QUERYCAP    _IOR('V',  0, struct v4l2_capability)
#define VIDIOC_RESERVED     _IO('V',  1)
#define VIDIOC_ENUM_FMT         _IOWR('V',  2, struct v4l2_fmtdesc)
#define VIDIOC_G_FMT    _IOWR('V',  4, struct v4l2_format)
#define VIDIOC_S_FMT    _IOWR('V',  5, struct v4l2_format)
#define VIDIOC_REQBUFS    _IOWR('V',  8, struct v4l2_requestbuffers)
#define VIDIOC_QUERYBUF   _IOWR('V',  9, struct v4l2_buffer)
#define VIDIOC_G_FBUF    _IOR('V', 10, struct v4l2_framebuffer)
#define VIDIOC_S_FBUF    _IOW('V', 11, struct v4l2_framebuffer)
#define VIDIOC_OVERLAY     _IOW('V', 14, int)
#define VIDIOC_QBUF   _IOWR('V', 15, struct v4l2_buffer)
#define VIDIOC_EXPBUF   _IOWR('V', 16, struct v4l2_exportbuffer)
#define VIDIOC_DQBUF    _IOWR('V', 17, struct v4l2_buffer)
#define VIDIOC_STREAMON    _IOW('V', 18, int)
#define VIDIOC_STREAMOFF   _IOW('V', 19, int)
#define VIDIOC_G_PARM   _IOWR('V', 21, struct v4l2_streamparm)
#define VIDIOC_S_PARM   _IOWR('V', 22, struct v4l2_streamparm)
#define VIDIOC_G_STD     _IOR('V', 23, v4l2_std_id)
#define VIDIOC_S_STD     _IOW('V', 24, v4l2_std_id)
#define VIDIOC_ENUMSTD    _IOWR('V', 25, struct v4l2_standard)
#define VIDIOC_ENUMINPUT  _IOWR('V', 26, struct v4l2_input)
#define VIDIOC_G_CTRL   _IOWR('V', 27, struct v4l2_control)
#define VIDIOC_S_CTRL   _IOWR('V', 28, struct v4l2_control)
#define VIDIOC_G_TUNER    _IOWR('V', 29, struct v4l2_tuner)
#define VIDIOC_S_TUNER     _IOW('V', 30, struct v4l2_tuner)
#define VIDIOC_G_AUDIO     _IOR('V', 33, struct v4l2_audio)
#define VIDIOC_S_AUDIO     _IOW('V', 34, struct v4l2_audio)
#define VIDIOC_QUERYCTRL  _IOWR('V', 36, struct v4l2_queryctrl)
#define VIDIOC_QUERYMENU  _IOWR('V', 37, struct v4l2_querymenu)
#define VIDIOC_G_INPUT     _IOR('V', 38, int)
#define VIDIOC_S_INPUT    _IOWR('V', 39, int)
#define VIDIOC_G_OUTPUT    _IOR('V', 46, int)
#define VIDIOC_S_OUTPUT   _IOWR('V', 47, int)
#define VIDIOC_ENUMOUTPUT _IOWR('V', 48, struct v4l2_output)
#define VIDIOC_G_AUDOUT    _IOR('V', 49, struct v4l2_audioout)
#define VIDIOC_S_AUDOUT    _IOW('V', 50, struct v4l2_audioout)
#define VIDIOC_G_MODULATOR  _IOWR('V', 54, struct v4l2_modulator)
#define VIDIOC_S_MODULATOR   _IOW('V', 55, struct v4l2_modulator)
#define VIDIOC_G_FREQUENCY  _IOWR('V', 56, struct v4l2_frequency)
#define VIDIOC_S_FREQUENCY   _IOW('V', 57, struct v4l2_frequency)
#define VIDIOC_CROPCAP    _IOWR('V', 58, struct v4l2_cropcap)
#define VIDIOC_G_CROP   _IOWR('V', 59, struct v4l2_crop)
#define VIDIOC_S_CROP    _IOW('V', 60, struct v4l2_crop)
#define VIDIOC_G_JPEGCOMP  _IOR('V', 61, struct v4l2_jpegcompression)
#define VIDIOC_S_JPEGCOMP  _IOW('V', 62, struct v4l2_jpegcompression)
#define VIDIOC_QUERYSTD        _IOR('V', 63, v4l2_std_id)
#define VIDIOC_TRY_FMT        _IOWR('V', 64, struct v4l2_format)
#define VIDIOC_ENUMAUDIO  _IOWR('V', 65, struct v4l2_audio)
#define VIDIOC_ENUMAUDOUT _IOWR('V', 66, struct v4l2_audioout)
#define VIDIOC_G_PRIORITY  _IOR('V', 67, __u32) /* enum v4l2_priority */
#define VIDIOC_S_PRIORITY  _IOW('V', 68, __u32) /* enum v4l2_priority */
#define VIDIOC_G_SLICED_VBI_CAP _IOWR('V', 69, struct v4l2_sliced_vbi_cap)
#define VIDIOC_LOG_STATUS         _IO('V', 70)
#define VIDIOC_G_EXT_CTRLS  _IOWR('V', 71, struct v4l2_ext_controls)
#define VIDIOC_S_EXT_CTRLS  _IOWR('V', 72, struct v4l2_ext_controls)
#define VIDIOC_TRY_EXT_CTRLS  _IOWR('V', 73, struct v4l2_ext_controls)
#define VIDIOC_ENUM_FRAMESIZES  _IOWR('V', 74, struct v4l2_frmsizeenum)
#define VIDIOC_ENUM_FRAMEINTERVALS _IOWR('V', 75, struct v4l2_frmivalenum)
#define VIDIOC_G_ENC_INDEX       _IOR('V', 76, struct v4l2_enc_idx)
#define VIDIOC_ENCODER_CMD      _IOWR('V', 77, struct v4l2_encoder_cmd)
#define VIDIOC_TRY_ENCODER_CMD  _IOWR('V', 78, struct v4l2_encoder_cmd)

/* Experimental, meant for debugging, testing and internal use.
   Only implemented if CONFIG_VIDEO_ADV_DEBUG is defined.
   You must be root to use these ioctls. Never use these in applications! */
#define VIDIOC_DBG_S_REGISTER    _IOW('V', 79, struct v4l2_dbg_register)
#define VIDIOC_DBG_G_REGISTER   _IOWR('V', 80, struct v4l2_dbg_register)

/* Experimental, meant for debugging, testing and internal use.
   Never use this ioctl in applications!
   Note: this ioctl is deprecated in favor of VIDIOC_DBG_G_CHIP_INFO and
   will go away in the future. */
#define VIDIOC_DBG_G_CHIP_IDENT _IOWR('V', 81, struct v4l2_dbg_chip_ident)

#define VIDIOC_S_HW_FREQ_SEEK  _IOW('V', 82, struct v4l2_hw_freq_seek)

#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings)
#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings)
#define VIDIOC_DQEVENT     _IOR('V', 89, struct v4l2_event)
#define VIDIOC_SUBSCRIBE_EVENT   _IOW('V', 90, struct v4l2_event_subscription)
#define VIDIOC_UNSUBSCRIBE_EVENT _IOW('V', 91, struct v4l2_event_subscription)

/* Experimental, the below two ioctls may change over the next couple of kernel
   versions */
#define VIDIOC_CREATE_BUFS  _IOWR('V', 92, struct v4l2_create_buffers)
#define VIDIOC_PREPARE_BUF  _IOWR('V', 93, struct v4l2_buffer)

/* Experimental selection API */
#define VIDIOC_G_SELECTION  _IOWR('V', 94, struct v4l2_selection)
#define VIDIOC_S_SELECTION  _IOWR('V', 95, struct v4l2_selection)

/* Experimental, these two ioctls may change over the next couple of kernel
   versions. */
#define VIDIOC_DECODER_CMD  _IOWR('V', 96, struct v4l2_decoder_cmd)
#define VIDIOC_TRY_DECODER_CMD  _IOWR('V', 97, struct v4l2_decoder_cmd)

/* Experimental, these three ioctls may change over the next couple of kernel
   versions. */
#define VIDIOC_ENUM_DV_TIMINGS  _IOWR('V', 98, struct v4l2_enum_dv_timings)
#define VIDIOC_QUERY_DV_TIMINGS  _IOR('V', 99, struct v4l2_dv_timings)
#define VIDIOC_DV_TIMINGS_CAP   _IOWR('V', 100, struct v4l2_dv_timings_cap)

/* Experimental, this ioctl may change over the next couple of kernel
   versions. */
#define VIDIOC_ENUM_FREQ_BANDS  _IOWR('V', 101, struct v4l2_frequency_band)

/* Experimental, meant for debugging, testing and internal use.
   Never use these in applications! */
#define VIDIOC_DBG_G_CHIP_INFO  _IOWR('V', 102, struct v4l2_dbg_chip_info)

/* Reminder: when adding new ioctls please add support for them to
   drivers/media/video/v4l2-compat-ioctl32.c as well! */

#define BASE_VIDIOC_PRIVATE 192   /* 192-255 are private */

#endif /* _UAPI__LINUX_VIDEODEV2_H */
